RU2005101407A - METHOD AND DEVICE FOR FLOW MEASUREMENT OF CHARACTERISTICS OF SURFACE LAYER OF METALLURGICAL PRODUCT - Google Patents

METHOD AND DEVICE FOR FLOW MEASUREMENT OF CHARACTERISTICS OF SURFACE LAYER OF METALLURGICAL PRODUCT Download PDF

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RU2005101407A
RU2005101407A RU2005101407/28A RU2005101407A RU2005101407A RU 2005101407 A RU2005101407 A RU 2005101407A RU 2005101407/28 A RU2005101407/28 A RU 2005101407/28A RU 2005101407 A RU2005101407 A RU 2005101407A RU 2005101407 A RU2005101407 A RU 2005101407A
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Russia
Prior art keywords
optical fiber
radiation
measuring
product
sensor
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RU2005101407/28A
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Russian (ru)
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RU2316756C2 (en
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Пьер-Жан КРОТ (FR)
Пьер-Жан КРОТ
Марко БИНИ (FR)
Марко БИНИ
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Юсинор (Fr)
Юсинор
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/55—Specular reflectivity
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
    • G01N21/359—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light using near infrared light
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/47—Scattering, i.e. diffuse reflection
    • G01N21/4738—Diffuse reflection, e.g. also for testing fluids, fibrous materials
    • G01N21/474—Details of optical heads therefor, e.g. using optical fibres
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • G01N21/89—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles
    • G01N21/8901—Optical details; Scanning details
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/20—Metals
    • G01N33/208—Coatings, e.g. platings
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/47—Scattering, i.e. diffuse reflection
    • G01N2021/4704—Angular selective
    • G01N2021/4709—Backscatter
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/47—Scattering, i.e. diffuse reflection
    • G01N2021/4735—Solid samples, e.g. paper, glass
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/47—Scattering, i.e. diffuse reflection
    • G01N21/4738—Diffuse reflection, e.g. also for testing fluids, fibrous materials
    • G01N21/474—Details of optical heads therefor, e.g. using optical fibres
    • G01N2021/4742—Details of optical heads therefor, e.g. using optical fibres comprising optical fibres
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2201/00—Features of devices classified in G01N21/00
    • G01N2201/06—Illumination; Optics
    • G01N2201/061—Sources
    • G01N2201/06113—Coherent sources; lasers
    • G01N2201/0612—Laser diodes
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2201/00—Features of devices classified in G01N21/00
    • G01N2201/08—Optical fibres; light guides

Claims (10)

1. Способ измерения характеристик поверхностного слоя (1) металлургических изделий, в частности, для обеспечения поточного измерения в процессе подачи указанного изделия во время его изготовления, согласно которому зону (13) поверхности изделия освещают падающим излучением (23), направляемым ортогонально этой поверхности, и затем измеряют, также в направлении, ортогональном поверхности, энергию излучения, отраженного освещаемой зоной (13), причем указанную зону (13) освещают посредством освещающего оптического волокна (2), соединенного с источником (24) падающего излучения с заданной длиной волны, а отраженное излучение измеряют посредством измерительного оптического волокна (3), соединенного сдатчиком (34), при этом свободные концы (21, 31) этих двух оптических волокон (2, 3) оголены и удерживаются в непосредственной близости друг от друга и параллельно друг другу.1. The method of measuring the characteristics of the surface layer (1) of metallurgical products, in particular, to ensure in-line measurement during the supply of the specified product during its manufacture, according to which the area (13) of the surface of the product is illuminated by incident radiation (23) directed orthogonally to this surface, and then measure, also in the direction orthogonal to the surface, the energy of radiation reflected by the illuminated zone (13), and this zone (13) is illuminated by means of a illuminating optical fiber (2) connected to a source a person (24) of incident radiation with a given wavelength, and the reflected radiation is measured by means of a measuring optical fiber (3) connected by a transmitter (34), while the free ends (21, 31) of these two optical fibers (2, 3) are exposed and held in close proximity to each other and parallel to each other. 2. Способ по п.1, согласно которому оголенные свободные концы (21, 31) оптических волокон (2, 3) удерживают на расстоянии от 5 до 50 мм от поверхности (1) изделия.2. The method according to claim 1, according to which the bare free ends (21, 31) of the optical fibers (2, 3) are held at a distance of 5 to 50 mm from the surface (1) of the product. 3. Способ по п.1, согласно которому используют излучение ближнего инфракрасного диапазона, предпочтительно с длиной волны 830 нм.3. The method according to claim 1, wherein the use of near-infrared radiation, preferably with a wavelength of 830 nm. 4. Способ по п.1, согласно которому отраженное излучение измеряют также в одном или более направлениях, наклонных к поверхности (1) изделия, чтобы оценить энергию, рассеиваемую упомянутой освещенной зоной (13).4. The method according to claim 1, whereby the reflected radiation is also measured in one or more directions inclined to the surface (1) of the product in order to evaluate the energy dissipated by said illuminated zone (13). 5. Способ по п.4, согласно которому угол или углы, под которыми осуществляют упомянутые измерения, составляют от 0 до 30° относительно вертикали к упомянутой поверхности (1).5. The method according to claim 4, according to which the angle or angles at which the measurements are carried out are from 0 to 30 ° relative to the vertical to said surface (1). 6. Устройство для измерения характеристик поверхностного слоя металлургического изделия, в частности для поточного измерения в процессе подачи указанного изделия во время его изготовления, упомянутое устройство включает измерительную головку (51), имеющую переднюю поверхность (55), предназначенную для размещения напротив поверхности (1) изделия, и включающую освещающее оптическое волокно (2) и измерительное оптическое волокно (3), причем свободный оголенный конец (21, 31) каждого из этих двух оптических волокон находится на передней поверхности (55) головки (51), и соответствующие концевые части указанных волокон расположены параллельно и так близко друг к другу, как только возможно, при этом другой конец освещающего оптического волокна (2) соединен с источником (24) светового излучения, а другой конец измерительного оптического волокна (3) соединен с датчиком (34); и упомянутое устройство также содержит средства (57) обработки сигнала, подаваемого упомянутым датчиком (34), для определения интенсивности излучения, которое подается в этот датчик по измерительному оптическому волокну (3).6. A device for measuring the characteristics of the surface layer of a metallurgical product, in particular for in-line measurement during the supply of the specified product during its manufacture, said device includes a measuring head (51) having a front surface (55) designed to be placed opposite the surface (1) products, and including illuminating optical fiber (2) and measuring optical fiber (3), and the free bared end (21, 31) of each of these two optical fibers is on the front surface and (55) the heads (51), and the corresponding end parts of these fibers are parallel and as close to each other as possible, while the other end of the illuminating optical fiber (2) is connected to the light source (24), and the other end measuring optical fiber (3) is connected to the sensor (34); and said device also comprises means (57) for processing the signal supplied by said sensor (34) to determine the intensity of radiation that is supplied to this sensor via a measuring optical fiber (3). 7. Устройство по п.6, которое содержит датчик (52) расстояния для постоянного контроля или измерения расстояния между свободными оголенными концами (21, 31) оптических волокон и поверхностью (1) изделия.7. The device according to claim 6, which contains a distance sensor (52) for continuously monitoring or measuring the distance between the free bare ends (21, 31) of the optical fibers and the surface (1) of the product. 8. Устройство по п.6, в котором измерительная головка (51) включает соединенное с отдельным датчиком (44) дополнительное оптическое волокно (4), свободная концевая часть (41) которого ориентирована наклонно относительно свободной концевой части (21) освещающего оптического волокна (2).8. The device according to claim 6, in which the measuring head (51) includes an additional optical fiber (4) connected to a separate sensor (44), the free end part of which (41) is oriented obliquely relative to the free end part (21) of the illuminating optical fiber ( 2). 9. Устройство по п.6, в котором источником (24) излучения является лазерный диод с длиной волны излучения около 830 нм.9. The device according to claim 6, in which the source of radiation (24) is a laser diode with a radiation wavelength of about 830 nm. 10. Применение способа по п.1 для движущейся стальной полосы.10. The application of the method according to claim 1 for a moving steel strip.
RU2005101407/28A 2002-08-01 2003-07-29 Method and apparatus for measuring characteristics of surface layer of metallurgical product in flow line RU2316756C2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0209845A FR2843197B1 (en) 2002-08-01 2002-08-01 METHOD AND DEVICE FOR ONLINE MEASUREMENT OF CHARACTERISTICS OF A SURFACE COATING OF A METALLURGICAL PRODUCT
FR02/09845 2002-08-01

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RU2005101407A true RU2005101407A (en) 2005-09-10
RU2316756C2 RU2316756C2 (en) 2008-02-10

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US (1) US7253904B2 (en)
EP (1) EP1525454A2 (en)
JP (1) JP2005534915A (en)
KR (1) KR20050042470A (en)
CN (1) CN1672036A (en)
AU (1) AU2003273488A1 (en)
BR (1) BR0313016A (en)
CA (1) CA2494094A1 (en)
FR (1) FR2843197B1 (en)
RU (1) RU2316756C2 (en)
WO (1) WO2004013619A2 (en)

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Publication number Publication date
WO2004013619A2 (en) 2004-02-12
WO2004013619A3 (en) 2004-04-15
AU2003273488A1 (en) 2004-02-23
US20060102831A1 (en) 2006-05-18
FR2843197A1 (en) 2004-02-06
US7253904B2 (en) 2007-08-07
BR0313016A (en) 2005-07-12
KR20050042470A (en) 2005-05-09
AU2003273488A8 (en) 2004-02-23
JP2005534915A (en) 2005-11-17
CN1672036A (en) 2005-09-21
FR2843197B1 (en) 2005-08-05
EP1525454A2 (en) 2005-04-27
CA2494094A1 (en) 2004-02-12
RU2316756C2 (en) 2008-02-10

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